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MDYGvsXMMOETF Comparison

ETF 1

MDYG

State Street SPDR S&P 400 Mid Cap Growth ETF

This fund is part of

US Mid Cap Growth

+0.16%

Full MDYG fund page

VS

ETF 2

XMMO

Invesco S&P MidCap Momentum ETF

This fund is part of

US Multi-Factor

-0.03%

Full XMMO fund page

State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) belongs to the US Mid Cap Growth segment. Invesco S&P MidCap Momentum ETF (XMMO) is part of the US Multi-Factor segment. MDYG's top 3 sector exposures are Industrials, Technology and Healthcare. In contrast, XMMO's top sector exposures are Industrials, Non-Energy Materials and Finance. MDYG is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.34% for XMMO. MDYG is up 13.86% year-to-date (YTD) with +$4M in YTD flows. XMMO performs worse with 7.12% YTD performance, and +$1.71B in YTD flows. Run a side-by-side ETF comparison of MDYG and XMMO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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MDYG vs XMMO performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 09/18/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	MDYG XMMO	-5.72%-8.28%	-4.85%-13.92%	+13.86%+7.12%	+13.67%+9.83%	+51.74%+85.05%	+43.42%+82.57%
Flows	MDYG XMMO	+$17M+$108M	-$67M+$2M	+$4M+$1.71B	+$265K+$789M	+$21M+$4.70B	+$314M+$4.95B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	MDYG XMMO	+15.24%+23.67%	+17.66%+22.31%	+18.94%+21.47%	+20.76%+21.79%
Max drawdown	MDYG XMMO	-8.24%-15.94%	-9.91%-15.94%	-25.46%-24.88%	-29.25%-27.83%
Max drawdown duration	MDYG XMMO	32d88d	45d88d	379d289d	834d812d

Trading data

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	MDYG	XMMO
Last sale 9/18/2026 at 1:30 PM	$104.94	$147.78
Previous close 09/17/2026	$105.01	$147.30
Consolidated volume 09/17/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of August 31, 2026

1-year trailing difference

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	MDYG	XMMO
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 9/18/2026 at 1:30 PM

Live

Closed

	MDYG	XMMO
Last price	$104.94	$147.78
1D performance	-0.07%	+0.33%
AuM	$2.78 B	$7.04 B
E/R	0.15%	0.34%

Characteristics

	MDYG	XMMO
Management strategy	Passive	Passive
Provider	State Street Investment Management	Invesco
Benchmark	S&P MidCap 400 Growth Index	S&P Midcap 400 Momentum Index
N° of holdings	245	75
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	November 8, 2005	March 3, 2005
ESG	No	No

More MDYG data on Trackinsight

More XMMO data on Trackinsight

Exposure

Countries

MDYG

USA

94.73%

Other

5.27%

XMMO

USA

92.52%

Other

7.48%

Sectors

MDYG

Industrials

20.61%

Technology

19.17%

Healthcare

15.46%

Finance

14.43%

Non-Energy Materi.

9.26%

Other

21.06%

XMMO

Industrials

29.29%

Non-Energy Materi.

17.58%

Finance

10.06%

Technology

9.76%

Energy

9.28%

Healthcare

8.16%

Other

15.86%

Diversification

MDYG

Total weight of top 15 holdings out of 15

19.58%

XMMO

Total weight of top 15 holdings out of 15

38.48%

Top 15 holdings

Data as of July 31, 2026

MDYG

Twilio, Inc.

1.65%

TechnipFMC plc

1.57%

Curtiss-Wright Corp.

1.47%

Carpenter Technology Corp.

1.42%

ATI, Inc.

1.41%

nVent Electric Plc

1.37%

Everpure, Inc.

1.34%

Okta, Inc.

1.31%

XPO, Inc.

1.30%

United Therapeutics Corp.

1.21%

Tenet Healthcare Corp.

1.20%

Woodward, Inc.

1.18%

RB Global, Inc.

1.12%

Roku, Inc.

1.04%

Sterling Infrastructure, Inc.

1.01%

XMMO

Curtiss-Wright Corp.

4.11%

TechnipFMC plc

3.81%

ATI, Inc.

3.36%

Woodward, Inc.

3.06%

Roivant Sciences Ltd.

2.46%

Royal Gold, Inc.

2.43%

nVent Electric Plc

2.42%

Carpenter Technology Corp.

2.40%

Sterling Infrastructure, Inc.

2.31%

Mueller Industries, Inc.

2.28%

Arrowhead Pharmaceuticals, Inc.

2.15%

MKS, Inc.

1.94%

Fabrinet

1.93%

Nextpower, Inc.

1.92%

APi Group Corp.

1.90%

Frequently asked questions about MDYG and XMMO

How have the MDYG and XMMO ETFs performed in 2026?

As of September 18, 2026, MDYG is up 13.86% year-to-date (YTD), while XMMO has returned 7.12%. That puts MDYG better performer ahead so far this year.

Which ETF is attracting more investor money: MDYG or XMMO?

Year-to-date, the MDYG ETF saw +$4M in flows, compared to +$1.71B for XMMO.

Which ETF is more volatile: MDYG or XMMO?

Over the past year, MDYG had a volatility of 17.66%, while XMMO experienced 22.31%.

Which ETF is bigger: MDYG or XMMO?

As of September 18, 2026, MDYG holds $2.78 B in assets under management (AUM), while XMMO manages $7.04 B.

What sectors do the MDYG and XMMO ETFs invest in?

MDYG leans toward sectors like Industrials, Technology and Healthcare. Meanwhile, XMMO focuses on Industrials, Non-Energy Materials and Finance.

What are the top holdings of the MDYG ETF and XMMO ETF?

MDYG top holdings include Twilio, Inc., TechnipFMC plc and Curtiss-Wright Corp.. XMMO holds in its top three: Curtiss-Wright Corp., TechnipFMC plc and ATI, Inc..

MDYGvsXMMOETF Comparison

State Street SPDR S&P 400 Mid Cap Growth ETF

Invesco S&P MidCap Momentum ETF

MDYG vs XMMO performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the MDYG and XMMO ETFs performed in 2026?

As of September 18, 2026, MDYG is up 13.86% year-to-date (YTD), while XMMO has returned 7.12%. That puts MDYG better performer ahead so far this year.

Which ETF is attracting more investor money: MDYG or XMMO?

Year-to-date, the MDYG ETF saw +$4M in flows, compared to +$1.71B for XMMO.

Which ETF is more volatile: MDYG or XMMO?

Over the past year, MDYG had a volatility of 17.66%, while XMMO experienced 22.31%.

Which ETF is bigger: MDYG or XMMO?

As of September 18, 2026, MDYG holds $2.78 B in assets under management (AUM), while XMMO manages $7.04 B.

What sectors do the MDYG and XMMO ETFs invest in?

MDYG leans toward sectors like Industrials, Technology and Healthcare. Meanwhile, XMMO focuses on Industrials, Non-Energy Materials and Finance.

What are the top holdings of the MDYG ETF and XMMO ETF?

MDYG top holdings include Twilio, Inc., TechnipFMC plc and Curtiss-Wright Corp.. XMMO holds in its top three: Curtiss-Wright Corp., TechnipFMC plc and ATI, Inc..

Which ETF is more diversified: MDYG or XMMO?

MDYG holds 245 securities with 19.58% of its assets in the top 15. XMMO has 75 securities and a top 15 weight of 38.48%.

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